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87 Cards in this Set
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Aorta |
A radiographic process in which the aorta and it's branches are injected with any of various contract media for visualization |
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Axial |
pertaining to or situated on the axis of a structure or part of the body |
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Betatron |
A cyclic accelerator that produces high energy electrons for radiotherapy treatments |
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Brachytherapy |
The placement of radioactive sources in contact with or implanted into the tissues to be treated |
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Bronchography |
An x ray examination of the interior passageways of the lower respiratory tract (larynx trachea and bronchi) following the coating of these structures with a radiopaque substance |
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Cineradiography |
The filming with a movie camera of the images that appear on a fluorescent screen especially those images of the body structures that have been injected with a nontoxic radiopaque medium diagnostic purposes. |
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Computed tomography |
An x ray technique that produces a film representing a detailed cross section of tissue structure |
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Digital radiography |
Any method of x image formation that uses a computer to store and manipulate data |
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Doppler effect |
The apparent change in frequency of sound or light waves emitted by a source as it moves away from or toward an observer |
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Eversion |
A turning outward or inside out such as a turning of the foot outward at the ankle |
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Fluorescence |
The emission of light of one wavelength (usually ultraviolet) when exposed to light of a different (usually shorter) wavelength |
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Fluoroscopy |
A technique in radiology for visually examining a part if the body or the function of an organ using fluoroscope |
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Gamma camera |
A device that uses the emission of the light from a crystal by gamma rays to produce an image of the distribution of radioactive material in a body organ |
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Gamma rays |
An electromagnetic radiation of short wavelength emitted by the nucleus of an atom during a nuclear reaction. Also called gamma radiation |
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Half life |
The time required for a radioactive substance to lose 50% of it's activity through decay |
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Interstitial therapy |
Radiotherapy in which needles or wires that contain radioactive material implanted directly into tumor areas |
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Inversion |
An abnormal condition in which an organ is turned inside out such as uterine inversion also refers to turning inward |
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Ionization |
The process in which a neutral atom or molecule gains or loses electrons and thus acquires a negative or positive electric charge |
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Irradiation |
Exposure to any form of radiant energy such as heat light or x ray |
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Lethal |
Capable of causing death |
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Linear accelerator |
An apparatus for accelerating charged subatomic particles used in radiotherapy, physics research, and production of radionuclides |
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MRI |
Medical imaging that uses radio frequency signals as it's source of energy |
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Nuclear medicine |
A medical discipline that uses radioactive isotopes in the diagnosis and treatment of disease |
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Orthovoltage |
The voltage range of 100 KeV to 350 KeV supplied by some x ray generators used for radiation therapy |
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Piezoelectric |
The generation of a voltage across a solid when a mechanical stress is applied |
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Positron emission tomography |
A computerized radiographic technique that employs radioactive substances to examine the metabolic activity of various body structures |
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Pyelography |
A technique in radiology for examining the structures and evaluating the function of the urinary system |
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Rad |
Abbreviation for radiation absorbed dose. The basic unit of absorbed dose of ionizing radiation |
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Radiation therapy |
The treatment of neoplastic disease by using x rays or gamma rays usually from Cobalt source to deter the growth of malignant cells by decreasing the rate of cell division or impairing DNA synthesis. |
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Radioactivity |
The ability of a substance to emit rays or particles (alpha beta or gamma) from it's nucleus |
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Radiographer |
An allied health professional trained to use x ray machines and other imaging |
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Radiommunoassay |
An technique in radiology used to determine the concentration of an antigen antibody or other protein in the serum |
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Radioisotope |
A radioactive isotope (of an element) used for therapeutic and diagnostic purposes |
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Radiolucent |
Pertaining to material that allow x rays to penetrate with minimum absorption |
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Radionuclide (radioisotope) |
An isotope or nuclide that undergoes radioactive decay |
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Radiopaque |
Not permitting the passage of X Rays or other radiant energy |
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Radiopharmaceutical |
A drug that contains radioactive atoms |
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Recumbent |
Lying down or leaning forward |
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Scanning |
A technique for carefully studying area organ or system of the body by recording and displaying an image of the area |
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Single-photon emission computed tomography |
A variation of computerized tomography scanning in which gamma camera detectors rotate around the patients body collecting data |
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Teletherapy |
Radiation therapy administered by a machine positioned at some distance from the patient |
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Tomography |
An x ray technique that produces a film representing a detailed cross section of tissue structure at a predetermined depth |
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Transducer |
A held hand device that sends and receives a sound wave signal |
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Ultrasound |
Sound waves at a very high frequency of more than 20000 kHz (vibrations per second) |
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Uptake |
The drawing up or absorption of a substance |
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Chol/e |
Bile |
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Cine |
Pertaining to movement |
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Cyst |
Sac bladder or cyst |
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Fluor/o |
Luminous |
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Hyster/o |
Uterus |
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Pyel |
Renal pelvis |
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Radi |
Radiation or radius |
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Ren/o |
Kidney |
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Son/o |
Sound |
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Tel/e |
Distance |
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Tom/o |
To cut |
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Ven/o |
Vein |
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Xer |
Dry |
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AP |
Anterioposterior |
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BA |
Barium |
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BE |
Barium enema |
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CAT |
Computed axial tomography |
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C-Spine |
Cervical spine (film) |
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CT |
Computed tomography |
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CXR |
Chest x-ray |
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DSA |
Digital substraction angiography |
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DSR |
Dynamic spatial reconstructor |
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ECHO |
Echocardiogram |
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ERCP |
Endoscopic retrograde cholangiopancreatography |
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IVC |
Intravenous cholangiography |
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KUB |
Kidneys ureters bladder |
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LGI |
Lower gastrointestinal series |
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MRA |
Magnetic resonance angiography |
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MRI |
Magnetic resonance imaging |
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NMR |
Nuclear magnetic resonance imaging |
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NPO |
Nothing by mouth |
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PA |
Posteroanterior |
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PET |
Positron emission tomography |
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PTC PTHC |
Percutaneous transhepatic cholangiography |
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Rad |
Radiation absorbed dose |
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RAI |
Radioactive iodine |
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RIA |
Radioimmunoassay |
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RAIU |
Radioactive iodine uptake (scan) |
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SBS |
Small bowel series |
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SPECT |
Single photon emission computed tomography |
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UGI |
Upper gastrointestinal series |
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U/s |
Ultrasound |
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